APA aipamena

Benjamin, D. (2010). Europe 2030. Brookings Institution Press.

Chicago Style aipamena

Benjamin, Daniel. Europe 2030. Brookings Institution Press, 2010.

MLA aipamena

Benjamin, Daniel. Europe 2030. Brookings Institution Press, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.